4cade/src/demo/pacman.a

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;license:MIT
;(c) 2021 by Frank M.
!cpu 6502
!to "res/DEMO/PACMAN",plain
*=$300
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LOAD_FILE_AT title, $00
+NEW_RESET_VECTOR $280
lda #$60
sta $813
jsr $800 ; decompress
lda #$80
sta $103F
lda #2
sta $104A ; reset vector patch
lda #$4C
sta $18A6 ; (later moved to $48A6)
sta $027C
sta $22F9 ; (later moved to $52F9)
sta $3F7C ; (later moved to $6F7C)
sta $5C0B ; (later moved to $8C0B)
lda #0
sta $027C+1
sta $22F9+1
sta $3F7C+1
sta $5C0B+1
lda #1
sta $027C+2
sta $22F9+2
sta $3F7C+2
sta $5C0B+2
lda #$CD
sta $18A6+1
lda #$48
sta $18A6+2
lda #$30
sta $22F1 ; (later moved to $52F1)
lda #6
sta $22F1+1
lda #$EA
sta $22F1+2
sta $22F1+3 ; set exits
+DISABLE_ACCEL
jmp $1000
title !byte x_e-x_b
x_b !text "X/PACMAN/PACMAN"
x_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}